Pipette tip retention sheet



FIG. 1 is a top view of a pipette tip retention sheet embodiment havinghole-to-edge offsets of varying widths;

FIG. 2 is a long side view of the sheet shown in FIG. 1;

FIG. 3 is a short side view of the sheet shown in FIG. 1; and,

FIG. 4 is a top perspective view of the sheet shown in FIG. 1.

CLAIM The ornamental design for a pipette tip retention sheet, as shownand described.